t450s touchpad buttons not working

‎07-03-201712:40 PM

hello all. i have an t450s, and after ai install drivers for synaptics touchpad, the 3 buttons stop to work, and in the properties, the option is grayed out. but if i delete the drivers completely, the buttons work fine. also, i have tried different versions of the driver, the problem remains the same. does anyone know how to solve this problem?